Cotton-chopper



comm CHOPPER. I

APPLICATION HLED MAR 3h l9 '20.

1,370,078, Patented Man 1, 1921.

4 SHEETS-SHEET Z]? Mm/Maw Wfyory W. J. WILSON.

COTTON CHOPPER.

' APPLICATION FILED MAR 31.1920.

1,370,078, patented Mar. 1,1921.

4 SHEEIS-SHCET 2- M JW attozwaq Pafpnted Mar. 1,

4 SHEETSSHEET 3 affolueg W. J. WILSON COTTON CHOPPER.

APPLICATION FILED MAR 31. 1920.

Patented Mar. 1, 1921.

4 SHEETS-SHEET 4. Z

To all whom it may concern:

WILLIAM J. wrtsou, or navrriLaflrnx-as.

I COTTON-CHOPPER.

.Be it known that I, lVILLIsM Davilla, in the county ofMilam and Stateof Texas, have invented certain new and useful Improvements 1nCotton-Choppers,

of which the following is a specification.

My nvention relates to ,cotton choppmg means, and hasparticularreference to such means adapted to be used asan attachment upon acultivator,'-while the invention may be embodied in a complete machine.

An importantobject of theinvention is to rovide means for effectin themovement of the hoe or chopping element, in approximately an ellipticalpath, the hoe-clearing the plant upon the lip-stroke and chopping thesame upon the down-stroke. r 5

A further object of the invention is to 7 justment.

A further object of the inventionis to provide simple and reliabledriving means or gearing, receiving power :from one. of thetractionwheels of the cultivator, :and transmitting the same to thechopping ele ment.

.A further object of'the invention is to provide a chopping" attachment,which is I adjustablein orderjthat it maybe applied to cultivatorsor-the-like of diflierent'sizes.

. Other objectsand advantages of themvention will be apparent duringthecourse. of the following description.

In the accompanying drawings forming a part ofthis specification'andinjwhich like numerals are employed to. designate like parts throughoutthe same, V -1 Figure l is a front elevation of an attach:

ment embodying my invention, showing the.

same applied to the arched axle of a culti; vator, r e

, rig-sis a've'rtlcalsection, as bniin 3-3 of Fig.1,

V or earing,-embodied in the invention,

1g. 6-is a central; horizontal section through the nter or annular-gearand, associated elements,-

snecification of Letters Patent.

J. was. a cltizen of the United States, residing atthe presentinvention.

Fig. 2 is a longitudinal section on rsr OFFICE.

, Patented. Mar. '1', 1921."

. a lication filed March 31, 1 920. Serial No .:370,191.

' Fig. a detail sectionltaken '01; line f 77 of Fig. 5,

Fig. 8 is a detail section on line;8-8

of Fi 5' Fig. ais a perspectiveiview of a clamp element, i

Fig. 10 is a similar view of operating and compensating. means,

part clamp,

Fig. 12' is av perspective of the hoe 31 7 operating element,, V I

Fig. 13 is;:a similar, view of the hoe and arm therefor. a I

Fig. 11 is a perspectiveview of a two-' In thegdrawing's, wherein' forthe purpose of illustrationxis shown a preferred embodiment;of -myinvention, the numeral 20 7 designates the axle'rof a cultivator,oriother wheeled implement. This axle is supported 7 by traction wheels21,,assshown. The axle 20 is. provided with the usual arched portion22.; The usual means (not shown) are employed; to prevent ;the turning"of the 1 axle.- The frame-work of the cultivator is omitted as itsshowingjis not thought to be necessary'for-azproper understanding of: i

As more clearly shown the numerals 23 and 24 'designate'the two.

ceive the vertical arm 25' of the axle arch.

inn-Figs. 'and These two parts are held together by bolts v I 26, also:passing throughopenings in a horia zontal strip or bar 27, and throughopenings in a'p-low beamstop 28. --As clearlyshown in Fig. 9, the part24-1138, flanges 29, en-

gaging the strip-27. -Th e numeral 30 desigshown.

stationary. supporting shaft, arranged ionwithin two parts33and84 of aclamp or nates .an L -shaped, bracket, one end. of- 7 which is bolted tothe strip 27 at 31-, as95.

' The numeral 32 designates a preferably bearing, rigidly secured .tothe- L-sh'aped bracket 30';-Thesei-parts;are held together by U-bolts35,as shown; i

The, supporting shaft 32, Fig. 6, base.

bevelbgear 36, rotatable thereon, seeyalso-j Fig. 3.' This bevelgear ispreferably formed 1 integral with a gear member 37, having an annularflange 38, and an interior annular having a hub 41, pivoted'upon theshaft .32.

ably engaging the flange 38. The gear 36 gear 89. The. numeral t0designates a -drum,-',

The drum 40 has anfannular flange l1, slid 44 and to'the bracket 30, asshown. The bevel gear 36 is arranged within the cap 46.

The numeral 47 designatesa hoeorchop per operating element, having anupstanding or vertical arm48 and a laterally extending V orhorizontalarm 49. The arm 48 is pivotally connected, at 50, with a crank 51,rigidly sei cured to an Operating gear 52, see Fig. 3;

The operating gear is pivoted upon a trun- 111011 or shaft 53, rigidlysecured to a portion 54 ofthe drum 40. As the drum 40 is normally heldagainst turning movement, therotation of the gear member 37' causes theoperating'gear 52 to revolve upon its axis.

. The arm 49, se e'Fig. 1, is pivoted at55, with a hobble link 56, whichis pivoted at its V link 58. V This master link is pivotally con-- lowerend, as' show'n at- 57, with a master nected at 59, with the drum 40.The pivot 55 is spaced from the upper end of; the V 'at 90, with ailink91, extending laterally for master link, as shown; The chopper operatingmember 47 is pivotally" supportedby the pivot 55, and the rotation ofthe crank 51 imparts to the same'a kind of rotary'or ellipticalmovement, to be desc'ribedf;

' ,The numeral 60 designates a chopper or hoe, preferably having'aslight incline at its cuttingedge, so that one end thereof engages theground first;

This chopper is rigidly secured to an arm' 61', by brackets '62. The arm61 has pivotgbolt 63,;s aced v from 7 .throughan opening 64 in a lowerarm 65.

its opposite end, and extending The arm 61 .also 'has a friction bolt66, op erating within a slot 67. A retractile coil 7 spring 68 isconneoted With a frictionbolt 66, and a stud 69, secured to theoperating *element" 47- The friction bolt 66 normally clampsthe arm61 totheele'rnent 47, so that it will not turn upon the "pivot 63, but shouldthe hoe encounter a stone or "other obstruction-,the arm- 61 will thenturn'upon 7' Attention is called more particularlyto "its pivot 63,'thesamebeing returned'to the 1 normal position upon the element 47 bythespring 68.. 1

. Figs. 1, 2 and 1O,fWherein means are shown drumf'40,-at' 73..""Thetubular shaft 70 is 'to vertically adjust and horizontally shift thechopper, such adjustments beingadapted tobe effectedindependentlyfofeach other. Such means comprises 'aj;main depending.-

desired to shiftth'e'chopper 60horizontally or transversely of the 'row,in; either direc= crank 69, clamped or rigidly secured to theforwardlowerend. of an inclined tubular shaft 70. }The main: crank .69has. pivotal I 'connectiomatits lower end, as shown at 71', Wl thajllnk'72, extending horizontally, as shown,-and pivotally connectedwith the Y in a bracket 96,.cljamped to '97,:by a U-bo1t98;

bolted to a U-shaped bracket 75, Which is preferably verticallyadjustably connected with beams 76 of the cultivator frame, carried bythe arched portion 22. The tubular shaft/70- is also rotatable in abracket 77, clamped to the arch 22'by U-bolts 78. An outer or largehand-wheel 79 is rigidly se:

ed to be manually operated, but improper turning thereof isprevented-bythe friction bearing 74. The numeral 80 designates a second frictionbearing, receivingan: inner pivotedat its; lower end at "84-,with a compensating'linki85. The-pivot 84 isanear-thecenter of thecompensatinglink 85, and this compensating link, has pivotal connec-- tion. at86,with a horizontal link 87, pivoted atSSWith a lateral extension 89'o'fthe main 7 crank. The compensating link 85* has pivotal connection atitslower end, shown pivotal connection with: the upper end of the masterlink 58', as shown at 92, in

Fig. 1.

insertion Within selected openings formed,

a plow beam The operation ofv the nachine is as folloiw'siz V Thecultivator is d-rawn: longitudinally of therow of cotton, and therotation of the traction wheel 21: is imparted toithe' gear cured to therear end of the tubular shaft", r70,.to'turn.it.. This-shaft istherefore adapt- The drum 40 is provided" at'its-lower side with an:apertured ear 93,'Fig; 1 pivotedato- 1 r a rod 94, having one endbentilaterally,,for"

42. Th'i'sgear. rotates: the bevel gear 36,: in I turn driving the gearmember. 375. i This gear member. rotates the" operating gear. 52,revolving the. crank 51. This movement of the crank imparts tothe'element'47, pivotally supported at 55, acomple'x movement so that ittravels in an approximately elliptic-a1 path. This: movement istransmitted to the; chopper or hoe- 60,;whieh-"is*eaused Fig. 1, uponthe'up-stroke, the chopper 60 cl'earsthe plant, but-upon thedown-strokeit v "drum-40 is held: uponitspivot, against turning, movement, by thelink 72. It may be tion, and to; accomplish this the large Wheel 79' isturned by theoperator; This move ment" of the large wheel f turns them'ain to the' left, Fig. 1. Thi -turnin movement e to move in anelliptical path. Assho'wn in of the drum {l will shift pivot-59 to, the.right, carrying pivot 55 to the right. The

chopper 60 is therefore shifted tothe right,

but as the pivot 59 would also be elevated, the pivot 5 5 would beelevated and hence whereby the pivot 55 will be shifted horizontally,and the hoe60 shifted in a similar manner. To vertically adjustthe hoe,the inner .wheel- 82 is turned, whereby crank 83, Fig;v 10 may be swungto the left; The

crank 69 being stationary, compensating link 85 will turn upon pivot 86,and link 91 will be shifted to the left, turning the master nectedtherewith, a gear member rota-table,

joined claims. e a I t w 7 Having thus described-ply invention, It

' )rovided with an interior ear a drum ivlink 58 upon its pivot, wherebyits lower end is swung to the right, Fig. and the bobble, link 56elevated, to raise pivot 55. The

wheel 82 is turned in an opposite direction when it is desired to lowerthe chopper. It is to be understood that the form of my inventionherewith shown and described is to be taken as a preferred example ofthe same, andthat various changes, inthe shape, size, andarrangem ent ofparts may be resorted to without departing from the spirit of myinvention, or thejscope of the subclaim 1. Ina machine of the characterde scribed, a support, a supporting shaft conupon the'shaft and havingan annular flange otally supported upon the shaft and havin V i v anannular flange slidably engaging the first named flange, means tonormally hold the drum against turnlngmovement, an operating gearpivotally supported by the drum' and engaging the interior gear,operating element pivotally supported from the drum, a crank connectedwith the operating gear and connected with the operating element, and achopping device carried by the operating element. p

2. In a machine of the character described, a support, a supportingshaft connected therewith, a gear member rotatable upon the shaft andhaving an annular flange- .provided with an interior gear, a drum 'pivotally supported upon the shaft and having an annular flange slidablyengaging the firstnamed flange, an operating gear pivotally It thereforefollows;

'ing means, and a supported upon the drum andengag ing the interiorgear, an operating element, Supportlng means for the operating elementembodying a master .link pivoted upon'the drum, a crank connected withthe operating gear and the operating element, means to normally preventthe drum and the master link turning upon their pivots, and afchope perdevice carried by the operating =ele'-' ment.

nected therewith, a, gear member rotatable 7 7 I 3. In a machine of'thecharacterdey scribed, a support,a supporting shaft con upon'the shaftand provided'with a gear,

means to drive the gear member, a drum pivot-ed upon the shaft, anoperatlng gear carrled bythe drum and engagmgithe first named gear, acrank secured to the oper ating gear, an operating element pivotallyconnected with the crank, aIhobblel-ink pivotally connected withtheoperating element, a master link p voted to the hobble link and withthe drum, operating means connected with the' drum and the master link,and a:

pp ng device carried by the operating element 1 I v r 4E, a machine ofthe character described, a support, a supportmgshaftcarried-thereby, agear member rotatable upon the shaft and having a gear,'me'ans to rotatethe gear Y member, a drum rotatable upon theshaft, an operating earcarried by the drum and engaging the first named gear, an operatingelement arranged near the drum, a crank connecting the operatinggear andelement, a pivotal support for the-operating element,- ad ustable meansconnecting the pivotal sup:

port and the drum and'adaptedto lower the pivotal support with relationto 'the drum, means-to turn the drumupon its pivot, to

element, I

5. In a maehine of the' character described,-

an operating element, pivotal supporting i shift the pivotal supporthorizontally an d 1 a chopping device carried by the'operatingjmeans'forthe operating element, means to 5 7 shift the pivotalsupporting means in asubstantially true horizontal, path, means to turnthe element upon the pivotal support-- by the element.

6. In a machine of the character described, an operating element, acompensating pivotal supporting means for the element adapted tovertically move the same, a pivoted support'for the compensating pivotalchopping device carried;

supporting means to. move the same verti cally and horizontally, meansto turn the operating element upon the pivotal supporting means,.and achopping device carried by the element.

7'. In a-machine of the character described, I

a pivotally supported drum, an-operating,

gear carried thereby, means to rotatethe gear upon its ax1s,'anoperating -element,'a

crank carried by the gear and pivoted to the operating element, a hobblelink pivoted to the operating element, a master link pivoted to thehobble link and pivoted to the drum, a compensating lever, a linkconnecting one end of the compensating lever and the master link, a maincrank, 'a link connecting the opposite end of the compensating linkandthe 1118 111 crank, a link connecting the,

main crank and drum, a second crank pivotally connected with thecompensating link between its ends, and means to turn said cranks and tohold them against turning movement, and achopper device-secured to theoperating element.

V 8. 1n a machine of the character described,

a pivoted-operating element having a slot opening through the edgethereof, an arm pivotally connected with the operating element at apoint spaced trom'the slot, a fric-' 9. In a machine of thecharacterdescribed,

a support,an upstanding drum pivoted upon the support, a gear pivotallymounted upon thfldllllfl 'to movetherewith and rotate with relationthereto and havinga crank, an opcrating element pivotallyfconnected withthe crank, means to rotate the gear upon its axis,- a master l nkpivotally mounted uponthe-drum for'fmovement therewith and to turnj withrelation thereto, a hobble link pivotally coi'n'iected-with' a master-lnk and withthe operating element, and means orv I 'turning the drum andmaster l nk upon their pivots.

10. In a machine of the character described, a supporhanupstandingmember pivotedcupon the support, a gear'pivotally mounted'uponthe member tomove thercwith and rotate in relation thereto, an o,

crating element provided at its upper end with a plurality of arms,means 'for'pivotrally" connecting one arm' with the gear,

means to drive the gear', a master link pivpivots otally connected withthe upstanding mem-" her to move therewith and turn withrelationuthereto and extending downwardly below the member, a hobblelink pivotally connected with the lower portion of the master link andpivotally connected with the other arm of the operating-element, meansfor controlling the movement of the pivoted member'and master link upontheir and a chopper connected with the operating element. r

11. In a machine of the character described, "a support, an upstandingmember pivoted to the support, a gear pivotally mounted upon theupstanding member to move therewith and rotate with relation thereto, anoperating'element having operated connection with the gear, acompensating pivotal supporting meansv for the operating element havingconnection with said member, a chopper connected with the opcratingelement, a compensating link,a link connecting one end of thecompensating link and the compensating pivotal supporting, means, a maincrank having connection with the upper end of the compensating" link, asecond crank connected with the compensating link between theendsthe'reot, means to turn said cranks, and a link connected with themain crank and with the upstand ing member; Y 7 v. I 1 p 12. In amachine ot'the character described, a support, an upstanding memberpivoted to the support, a supporting device pivotally connected with;the upstanding,

member, an operating element connected 7 with the supporting device,driving means for the operating element connected with the upstandingmember, a compensating link, means connecting the lower en'dof the Vcompensating link and supporting device, a

main crank, means connecting the main crank and the upper end of theconipe nsat-' in}; link, means connecting the main crank and theupstanding member, a second crankconnected with the 'coinpensatinglinktween its ends, means to turn said cranks,

I and a chopper connectedwith the operating element.

" ln testimonylwhereof I afiix mysignature.

WILLIAM J. wrtsor.

